[Mne_analysis] modify the channel

Phillip Alday phillip.alday at mpi.nl
Fri Jul 10 07:45:32 EDT 2020
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Please keep the list in CC.

The channels module has the tools to load and manipulate montages (both
custom and built-in):


I would not recommend modifying the actual files for the built-in
montages because that would change the behavior of MNE for all data,
including examples that depend on the built-ins working as they are

For the difference between montage and layout, see the glossary
(https://mne.tools/stable/glossary.html), but here the relevant points:


    A |Layout|
    gives sensor positions in 2 dimensions (defined by |x|, |y|,
    |width|, and |height| values for each sensor). It is primarily used
    for illustrative purposes (i.e., making diagrams of approximate
    sensor positions in top-down diagrams of the head, so-called
    topographies or topomaps).


    EEG channel names and the relative positions of the sensor w.r.t.
    the scalp. While layout are 2D locations, montages give 3D
    locations. A montage can also contain locations for HPI points,
    fiducial points, or extra head shape points. See |DigMontage|
    for the API of the corresponding object class.



On 10/7/20 1:23 pm, Abdallah Qusaibe wrote:
> Hi Phillip,
> I hope you are well,
> Yes the montage file of the sensors, do you know how can I modify it?
> for example to modify the orientation of the sensor,
> Regards
> Abdallah
> On Fri, 10 Jul 2020 at 13:17, Phillip Alday <phillip.alday at mpi.nl
> <mailto:phillip.alday at mpi.nl>> wrote:
>     Hi,
>     What do you mean with channel file? The montage file with
>     electrode coordinates and names? Can you tell us more about what
>     the end goal is / why you want to modify this file?
>     Best,
>     Phillip
>     On 10/7/20 12:23 pm, Abdallah Qusaibe wrote:
>>             External Email - Use Caution        
>>     Dear Mne community,
>>     Can you please give me a real example, how can I modify the
>>     channel file?
>>     Kind regards
>>     Abdallah
>>     _______________________________________________
>>     Mne_analysis mailing list
>>     Mne_analysis at nmr.mgh.harvard.edu <mailto:Mne_analysis at nmr.mgh.harvard.edu>
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